A.With gooseneck vents
B.With warning signs
C.With flame screens
D.With pressure-vacuum relief valves
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A.De-energizes the "charged mist" effect
B.Maintains a positive pressure on the vent header to cool the flammable vapors
C.Inert gas filters out the flammable vapors from the cargo tank spaces
D.Inert gas dilutes the flammable vapor and air concentrations to keep them below the lower explosive limit
A.it
B.this
C.that
D.which
A.enters
B.enters into
C.enters with
D.enters to
A.Open
B.Restricted
C.Closed
D.None
A.evenly distributed vertically and the double bottoms are full
B.concentrated low and the double bottoms are empty
C.concentrated low and the double bottoms are full
D.concentrated high and the double bottoms are empty
最新試題
Fearing damage from either or both of the above incidents，the Master now（）me this note of protest，reserving to himself the right to extend same at time and place convenient．
A semisubmersible rig under tow should be ballasted down if（）.
A seaman leaves a vessel before it sails from a foreign port. He informs the Chief Officer that he won’t return. After the vessel sails，the Chief Officer finds the seaman’s work clothes in his locker. How should the Master handle this matter?（）
A sail hook is used for（）.
A semisubmersible with a negative GM flops to an angle of（）.
A set of interior steps on a ship leading up to a deck from below is know as（）.
A set of clamps that are latched onto the drill pipe to allow the driller to raise or lower the drill string out of or into the hole are the（）.
A series of trays with sieves that vibrate to remove cuttings from the circulating fluid in rotary drilling operations is called the（）.
A note of protest is a declaration made by the Master of a vessel before a notary public.Its purpose is to（）.
A semisubmersible with a positive GM，and TCG located starboard of the centerline，inclines to an angle of（）.